EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml

4-Hydroxychrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 63019-40-9

Methyl disulfide

(-)-α-1R,2R,5S,6R,9R,10S-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene